- Output for 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
- object(Generator)#1 (1) { ["function"]=> string(3) "gen" }
- Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30
- object(Generator)#1 (0) { }
- Output for 7.0.0 - 7.0.20
- NULL